This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Perennial by a horizontal rootstock, glabrous. Stems often clustered, slender, mostly erect, 8'-2° tall, scaly below, branched above, topped by a many-rayed umbel; leaves few, all scattered, except the whorl at the base of the umbel, linear or oblong, 7"-2o" long, 2"-6" broad, entire, sessile; those subtending the umbel lanceolate or oblan-ceolate; bracts subreniform, mucronate; involucres campanulate, 1 1/4" - 1/2" long, nearly sessile, bearing 4 unappendaged crescent-shaped glands; capsule nodding, smooth; seeds oblong, terete, smooth.
In waste places, Maine to Ontario, New York, New Jersey and Michigan. Tithymal. Naturalized from Europe. Summer.
8. Tithymalus l¨cidus (Waldst. & Kit.)
Kl. & Garcke. Shining Spurge.
Euphorbia lucida Waldst. & Kit. Pl. Rar. Hung. 1:
54. Pl. 54. 1802. T. lucidus Kl. & Garcke, Abh. Akad. Berlin 1859:
Perennial by a horizontal rootstock, bright green, glabrous. Stems rather stout, usually clustered, erect or assurgent, 8'-2o' high, usually very leafy, simple or branched, topped by a 4-7-rayed umbel; branches simple or forked; leaves, except the whorl at the base of the umbel, alternate, linear or linear-oblong, 1/2'-1 1/2' long, 2"-6" broad, entire, mostly apiculate, sessile, revolute-margined, those subtending the umbel ovate, oval or obovate; bracts opposite, reniform, obtuse or apiculate; involucres cam-panulate, 1 /2" long, sessile, bearing 4 yellowish oblong crescent-shaped, 2-horned, unappen-daged glands; capsule globose-ovoid, 2' in diameter, nodding, finely wrinkled; seeds 1 1/4"-1 1/2" long, nearly terete, whitish, smooth.
Euphorbia Cyparissias L. Sp. Pl. 461. 1753. T. Cyparissias Hill, Hort. Kew. 172/4. 1768
Perennial by horizontal rootstocks, bright green, glabrous. Stems mostly clustered, often growing in large patches, scaly below, leafy above, erect, 1° high, or less, branched, the branches topped by many-rayed umbels; leaves linear, or almost filiform, those subtending the umbels whorled, the others alternate, sessile, 6'-1' long, 1/4"-1 1/2" broad; involucres turbi-nate-campanulate, 1" long, short-peduncled, with 4 unappendaged crescent-shaped glands; capsule sub-globose, 1 1/2" in diameter, spreading, granular on the rounded lobes; seeds oblong, 1" long, smooth.
Escaped from gardens to roadsides and waste places, Massachusetts to Virginia and Colorado. Naturalized from Europe. Quack salver's spurge. Tree- or Irish-moss. Balsam. Garden-spurge. Graveyard-weed. Welcome-to-our-house. Kiss-me-Dick. Cypress. Bonaparte's crown. Poisonous when eaten in quantities. Bracts yellowish. May-Sept.